Yep. It’s the same reason why a lot of planes still have a “no smoking” light even though smoking hasn’t been allowed on planes for years. If they took them out

Yep. It’s the same reason why a lot of planes still have a “no smoking” light even though smoking hasn’t been allowed on planes for years. If they took them out, they’d have to recertify the electronics. It’s much easier and cheaper to have a useless light that always stays on than to go through that process to remove it.